Affiliation: | 1. Department of Dermatology Salford Royal National Health Service Foundation Trust, Salford, UK;2. The Rothbury Practice, Rothbury, Northumberland, UK;3. Department of Paediatrics, East Lancashire Hospitals Trust, UK;4. Department of Obstetrics and Gynaecology, East Lancashire Hospitals Trust, UK;5. Department of Dermatology, East Lancashire Hospitals Trust, UK |